156686157

素因数分解:

$3^6\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 42

約数和(自身を含む): 242980458

約数和(自身を除く): 86294301

約数列:

[1, 3, 9, 27, 37, 81, 111, 157, 243, 333, 471, 729, 999, 1369, 1413, 2997, 4107, 4239, 5809, 8991, 12321, 12717, 17427, 26973, 36963, 38151, 52281, 110889, 114453, 156843, 214933, 332667, 470529, 644799, 998001, 1411587, 1934397, 4234761, 5803191, 17409573, 52228719, 156686157]

約数ペア:

[(1, 156686157), (3, 52228719), (9, 17409573), (27, 5803191), (37, 4234761), (81, 1934397), (111, 1411587), (157, 998001), (243, 644799), (333, 470529), (471, 332667), (729, 214933), (999, 156843), (1369, 114453), (1413, 110889), (2997, 52281), (4107, 38151), (4239, 36963), (5809, 26973), (8991, 17427), (12321, 12717)]